iOS speech synthesis

Add Reference

1	import AVFoundation

Play voice

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the let Player = AVSpeechSynthesizer (); player.delegate = Self ; the let U = AVSpeechUtterance (String: "The weather today is good" ); u.voice = AVSpeechSynthesisVoice (Language: "zh-CN" ); u.volume = 1.0 ; // volume [0-1]. 1 the Default = u.rate = 0.48 ; // playing speed u.pitchMultiplier = 1.0 ; // play reference tone [0.5 - 2] = the Default. 1 player.speakUtterance (U);

In iPhone6the following rateset 0.1or will soon iOS will read the pit ah

Proxy method

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// start playing FUNC (Synthesizer: AVSpeechSynthesizer, Utterance, didStartSpeechUtterance: AVSpeechUtterance) { Print ( "start playing" ) } // playback FUNC (Synthesizer: AVSpeechSynthesizer, willSpeakRangeOfSpeechString CharacterRange: NSRange, Utterance,: AVSpeechUtterance) { the let Process = Double (characterRange.location) / Double (utterance.speechString.characters. COUNT ); Print ( "playback, the playback progress of : (Process) " ) } // finished playing FUNC (Synthesizer: AVSpeechSynthesizer, Utterance, didFinishSpeechUtterance: AVSpeechUtterance) { Print ( "finished playing" ) }

Common method

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// stop playing player.stopSpeakingAtBoundary ( AVSpeechBoundary . Immediate ); // pause playback player.pauseSpeakingAtBoundary ( AVSpeechBoundary . Immediate );